This is a script for mass adding/deleting specific categories in specific pages. The remove function is not developed yet.
Importation
This script can be imported to skin.js or common.js by adding: importScript('User:DannyS712/MCMH.js');// [[User:DannyS712/MCMH.js]]
or ((subst:Iusc|User:DannyS712/MCMH.js))